Since he was a boy seventeen year old -- Martin wanted to play football and become a pilot. The high school junior was visiting family in this predominantly white gated town home community ten days ago. Around sunset he was walking from a nearby convenience store with a bag of Skittles and -- iced -- Neighborhood watch leader George Zimmermann call police to report a suspicious black -- and before police arrived Zimmerman confronted the teen -- and during the scuffle Zimmerman shot him in the chest killing him we just don't understand. Wired -- several police department is really sitting on their hands on their -- police questioned Zimmerman who has a concealed weapons permit but he was never arrested. He believes that the investigation is ongoing but -- it has been cooperative. And claims it was self defense. Even though Martin didn't have a weapon -- confrontation allowing give him a reason and justifiable reason cheating -- a seventeen year old boy. -- -- -- Depends on the facts circumstances trade -- -- March and a seventeen yo kid -- skills. In no way you can say except that affects the family's attorney wants to hear the 911 call Zimmermann made with Seabrook police won't release -- The chief confirmed dispatchers did -- Zimmerman to stay away from the teenager because police were on the way. Here's that had been -- I don't think so.

This transcript has been automatically generated and may not be 100% accurate.

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